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CC1070RSQ
Texas Instruments
RF TX IC ASK 402-470MHZ 20QFN
1725 Pcs New Original In Stock
RF Transmitter ASK, FSK, GFSK, OOK 402MHz ~ 470MHz, 804MHz ~ 940MHz -20dBm ~ 10dBm 153.6kBaud PCB, Surface Mount Antenna 20-QFN Exposed Pad
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5.0 / 5.0
- (29 Ratings)
CC1070RSQ
Product Overview
1237072
DiGi Electronics Part Number
CC1070RSQ-DGManufacturer
Texas Instruments
CC1070RSQ
Description
RF TX IC ASK 402-470MHZ 20QFNInventory
1725 Pcs New Original In Stock
RF Transmitter ASK, FSK, GFSK, OOK 402MHz ~ 470MHz, 804MHz ~ 940MHz -20dBm ~ 10dBm 153.6kBaud PCB, Surface Mount Antenna 20-QFN Exposed Pad
Quantity
Minimum 1
Minimum 1
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CC1070RSQ Technical Specifications
Category
RF Transmitters
Packaging
-
Series
-
Product Status
Not For New Designs
DiGi-Electronics Programmable
Not Verified
Frequency
402MHz ~ 470MHz, 804MHz ~ 940MHz
Applications
ISM
Modulation or Protocol
ASK, FSK, GFSK, OOK
Data Rate (Max)
153.6kBaud
Power - Output
-20dBm ~ 10dBm
Current - Transmitting
33.1mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Memory Size
-
Features
-
Voltage - Supply
2.3V ~ 3.6V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
20-QFN Exposed Pad
Supplier Device Package
20-QFN (5x5)
Base Product Number
CC1070
Datasheet & Documents
Manufacturer Product Page
CC1070RSQ Specifications
HTML Datasheet
CC1070RSQ-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
5A991G
HTSUS
8542.39.0001
Additional Information
Other Names
TEXTISCC1070RSQ
296-25930-5
CC1070RSQ-DG
2156-CC1070RSQ
Standard Package
490
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Leur assistance après-vente montre à quel point ils sont engagés envers leurs clients.
de desembre 02, 2025
DiGi Electronics offers outstanding packaging that ensures all components arrive safe and intact every time, reducing worries about damage during transit.
de desembre 02, 2025
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de desembre 02, 2025
The delivery tracking interface was intuitive and provided real-time updates without any glitches.
de desembre 02, 2025
Their logistics infrastructure is robust and adaptable to various delivery requirements.
de desembre 02, 2025
The customer service at DiGi Electronics is genuinely friendly and helpful.
de desembre 02, 2025
The friendly staff and attractive prices make shopping at DiGi Electronics a pleasure every time.
de desembre 02, 2025
Quick dispatch and a responsive support team made my shopping experience seamless.
de desembre 02, 2025
The safety in packaging was evident—no dents or scratches upon arrival.
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Frequently Asked Questions (FAQ)
Can the CC1070RSQ be used as a drop-in replacement for the CC1101 in a 433MHz ISM band application, and what are the key design-in risks?
The CC1070RSQ is not a direct drop-in replacement for the CC1101 despite both operating in the 433MHz ISM band. Key differences include the CC1070RSQ's lack of integrated MCU interface support and reduced feature set, which requires additional external circuitry for packet handling and data management. Design-in risks include potential mismatches in SPI timing, absence of hardware FIFO buffers, and lower integration, leading to longer development time and higher BOM cost. Always verify register map compatibility and ensure proper antenna tuning when transitioning from CC1101 to CC1070RSQ.
What are the reliability concerns when using the CC1070RSQ in automotive applications above 85°C ambient temperature?
Although the CC1070RSQ supports an operating temperature range up to 105°C, sustained use in automotive environments above 85°C ambient increases thermal stress on the 20-QFN exposed pad package, especially without adequate PCB thermal vias. Reliability risks include accelerated parametric drift, reduced RF output stability, and potential solder joint fatigue due to thermal cycling. To mitigate, ensure at least 4 thermal vias under the exposed pad, use a 4-layer board with inner plane cooling, and derate the maximum power output by 1–2dBm to reduce junction temperature.
How does the CC1070RSQ compare to the Nordic nRF9E5 in terms of integration level and design complexity for sub-GHz remote sensing nodes?
The CC1070RSQ offers lower integration than the Nordic nRF9E5, which includes an embedded 8051 MCU and ADCs—features absent in the CC1070RSQ. This means the CC1070RSQ always requires an external microcontroller, increasing design complexity and board space for remote sensing nodes. However, the CC1070RSQ provides better OOK/ASK modulation fidelity and lower receive current when paired with a low-power host MCU. Choose CC1070RSQ only if leveraging TI's proprietary EZRadio-like protocols and avoid for highly integrated, space-constrained designs where nRF9E5 provides superior system-on-chip value.
What are the critical PCB layout guidelines to achieve the specified 10dBm output power from the CC1070RSQ without risking instability?
To achieve stable 10dBm output power with the CC1070RSQ, strict RF layout practices are essential: use a controlled 50Ω microstrip trace with full ground plane, keep the PA output trace as short as possible (<5mm), implement a pi-network matching circuit with 0402 components directly adjacent to the ANT pin, and isolate the RF section from digital switching noise. Importantly, the exposed pad must be soldered to the ground plane via multiple vias to ensure thermal and electrical stability. Poor layout can lead to output droop, harmonic distortion, or oscillation due to feedback through inadequate grounding.
Given that the CC1070RSQ is marked as 'Not For New Designs,' what are the long-term supply and obsolescence risks, and what are the recommended migration paths?
The 'Not For New Designs' status of the CC1070RSQ indicates Texas Instruments is phasing out the device, posing significant long-term supply risks beyond 3–5 years. While 1689 units are in stock now, extended lead times and eventual unavailability are expected. For migration, consider upgrading to the CC1103 or CC1200 series, which offer improved data rates, better integration, and active product status. Designers should secure last-time buys and evaluate register compatibility and pinouts of newer TI devices to minimize redesign effort while ensuring future supply chain resilience.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
CC1070RSQ CAD Models
Texas Instruments CC1070RSQ PCB symbols & footprints
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